Trim custom comment prefix even when we failed to format code block
Trim custom comment prefix even when we failed to format code block

SingingTree/rustfmt,aidancully/rust,graydon/rust,rust-lang/rustfmt,SingingTree/rustfmt,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,rust-lang/rustfmt,graydon/rust